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Finding the Fourth Proportional to 167,570.40, 251,331.30 and 49,229.40

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Solution

The fourth proportional to 167,570.40, 251,331.30 and 49,229.40 is: 73,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,570.40 : 251,331.30 = 49,229.40 : x
  2. Step 2: Convert to fraction form
    167,570.40/251,331.30 = 49,229.40/x
  3. Step 3: Cross multiply
    167,570.40x = 251,331.30 × 49,229.40
  4. Step 4: Simplify right side
    167,570.40x = 12,372,889,100.22
  5. Step 5: Solve for x
    x = 12,372,889,100.22/167,570.40
  6. Step 6: Final answer
    x = 73,836.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.